Name Size Creator Creation Date Labels Comment  
PDF File 1845994.pdf 1.01 MB Shaun Ewing Feb 16, 1932 00:00
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US-1845994-A // Signal distortion indicator // Wise Raleigh J. // Western Union Telegraph Co
PDF File 1848022.pdf 778 kB Shaun Ewing Mar 01, 1932 00:00
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US-1848022-A // Polar relay // Milnor Joseph W. ; Demonet Eugene A. ; Bramhall Fay B. // Western Union Telegraph Co
PDF File 1849994.pdf 458 kB Shaun Ewing Mar 15, 1932 00:00
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US-1849994-A // Cable fault detection and telephone system // Rudd Maurice A. ; Mample Adolph Z. // Western Union Telegraph Co
PDF File 1851838.pdf 1.11 MB Shaun Ewing Mar 29, 1932 00:00
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US-1851838-A // Tape reperforator // Hoover Ray ; Haupt Frank J. // Western Union Telegraph Co
PDF File 1851956.pdf 755 kB Shaun Ewing Mar 29, 1932 00:00
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US-1851956-A // Method of and apparatus for signaling in high speed telegraph systems // Dirkes Robert F. // Western Union Telegraph Co
PDF File 1853005.pdf 715 kB Shaun Ewing Apr 05, 1932 00:00
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US-1853005-A // Repeater system // Morgenstern Ronald V. // Western Union Telegraph Co
PDF File 185507.pdf 736 kB Shaun Ewing Dec 19, 1876 00:00
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US-185507-A // Improvement in electro-harmonic multiplex telegraphs // Thomas A. Edison, Of New Jbesey // Westeen Union Telegeaph Company.
PDF File 1855153.pdf 806 kB Shaun Ewing Apr 19, 1932 00:00
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US-1855153-A // Automatic timing control for manually operated transmitters for ticker or step-by-step telegraph systems // Myer Percy L. // Western Union Telegraph Co
PDF File 1855380.pdf 478 kB Shaun Ewing Apr 26, 1932 00:00
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US-1855380-A // Corrector circuit for synchronous telegraph systems // Breyfogel Albert W. // Western Union Telegraph Co
PDF File 1855841.pdf 860 kB Shaun Ewing Apr 26, 1932 00:00
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US-1855841-A // System for collecting and disseminating information // Long James W. ; Wheeler Evan R. // Western Union Telegraph Co
PDF File 1856331.pdf 424 kB Shaun Ewing May 03, 1932 00:00
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US-1856331-A // Corrector system for synchronous telegraph apparatus // Haglund Hakon H. // Western Union Telegraph Co
PDF File 1856985.pdf 1.31 MB Shaun Ewing May 03, 1932 00:00
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US-1856985-A // Regenerative repeater for start-stop systems of automatic telegraphy // Dirkes Robert F. ; Jr. James N. Anderson, // Western Union Telegraph Co
PDF File 1858320.pdf 521 kB Shaun Ewing May 17, 1932 00:00
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US-1858320-A // Transfer mechanism for strap conveyers // Beardsley Bruce ; Chadbourne William C. // Western Union Telegraph Co
PDF File 1859165.pdf 986 kB Shaun Ewing May 17, 1932 00:00
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US-1859165-A // Automatic tape cut-off // Porter James F. ; Marx George // Western Union Telegraph Co
PDF File 1860343.pdf 390 kB Shaun Ewing May 24, 1932 00:00
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US-1860343-A // Multiple turret simplex printer concentration circuit // Light George G. // Western Union Telegraph Co
PDF File 1861414.pdf 1.81 MB Shaun Ewing May 31, 1932 00:00
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US-1861414-A // Quotation board printing unit // Hoover Ray ; Wheeler Evan R. // Western Union Telegraph Co
PDF File 1862474.pdf 441 kB Shaun Ewing Jun 07, 1932 00:00
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US-1862474-A // Synchronizing and phase indicating device // Fluharty William G. ; Noxon Paul A. // Western Union Telegraph Co
PDF File 186330.pdf 339 kB Shaun Ewing Jan 16, 1877 00:00
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US-186330-A // Improvement in acoustic electric telegraphs // Thomas A. Edison, Op New Jeesey. // The Westeen Union Telegeaph Company.
PDF File 1863479.pdf 633 kB Shaun Ewing Jun 14, 1932 00:00
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US-1863479-A // Rub out signal deleter for tape transmitters // Hoover Ray ; Haupt Frank Joseph // Western Union Telegraph Co
PDF File 1864494.pdf 1.23 MB Shaun Ewing Jun 21, 1932 00:00
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US-1864494-A // Method of operating a channel of differential cable code over a channel of a multiplex circuit // Nelson Crescent F. // Western Union Telegraph Co
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